Operating Instructions

Table Of Contents
A.5.1 Pressure Equipment Directive, PED, 14/68/EU ...................................................................235
A.5.2 Stainless steel horn antenna................................................................................................235
A.5.3 Stainless steel flanged horn antenna ...................................................................................236
A.5.4 PTFE flanged encapsulated antenna...................................................................................239
A.5.5 Aluminum horn, with polypropylene lens antenna version with polypropylene flange .........241
A.5.6 PVDF antenna......................................................................................................................242
A.5.7 Hygienic encapsulated antenna ...........................................................................................242
A.6 Loop power ..........................................................................................................................244
A.6.1 Allowable operating area of SITRANS LR250 .....................................................................245
A.6.2 Curve 1 (General Purpose, Intrinsically Safe, Non-Sparking, Non-incendive).....................245
A.6.3 Curve 2 (Flameproof, Increased Safety, Explosion-proof) ...................................................246
A.7 Startup behavior...................................................................................................................246
B Appendix B: HART communications ........................................................................................................247
B.1 SIMATIC PDM......................................................................................................................247
B.2 HART Electronic Device Description (EDD).........................................................................247
B.3 HART Handheld 375/475 .....................................................................................................247
B.4 HART Communicator 375 menu structure ...........................................................................247
B.5 HART version.......................................................................................................................250
B.5.1 Burst Mode...........................................................................................................................250
C Appendix C: Certificates and support .......................................................................................................251
C.1 Technical support.................................................................................................................251
C.2 Certificates ...........................................................................................................................251
13 List of abbreviations..................................................................................................................................253
14 LCD menu structure .................................................................................................................................255
14.1 LCD menu structure .............................................................................................................255
Glossary ...................................................................................................................................................259
Index.........................................................................................................................................................265
Table of contents
SITRANS LR250 with mA/HART
8 Operating Instructions, 10/2019, A5E32220602-AG